Dynamic miniature lighting system with low correlated colour temperature and high colour rendering index for museum lighting of fragile artefacts

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    Illumination of fragile and irreplaceable historical objects exhibited to the public presents challenges with regards to: good colour rendering, low photochemical degradation of sensitive materials and general energy consumption. We present a dynamic tri-colour LED lighting system for illumination of historical artefacts in display cases at museums and other exhibitions, which can replace 3-5 Watt incandescent light bulbs with a correlated colour temperature (CCT) from 2000 K to 2400 K. The solution decreases the energy consumption by up to 80 %, while maintaining colour rendering indices (Ra) above 90 and important special colour rendering indices R9 between 50 and 90, while decreasing the level of harmful short wavelength radiation by between 20 - 30 %.
    Original languageEnglish
    Title of host publicationProceedings of CIE Centenary Conference „Towards a New Century of Light“ : CIE x038:2013
    PublisherCIE - International Commission on Illumination
    Publication date2013
    Pages777-782
    ISBN (Print)978-3-902842-44-2
    Publication statusPublished - 2013
    EventCIE Centenary Conference: Towards a New Century of Light - Conservatoire National des Arts et Métiers, Paris, France
    Duration: 12 Apr 201319 Apr 2013
    http://www.cie.co.at/index.php/LEFTMENUE/CIE+Newsletter/Artikel+4+Sept+12

    Conference

    ConferenceCIE Centenary Conference
    LocationConservatoire National des Arts et Métiers
    Country/TerritoryFrance
    CityParis
    Period12/04/201319/04/2013
    Internet address

    Bibliographical note

    Paper: PP067

    Keywords

    • Colour rendering index
    • Correlated colour temperature
    • Museum lighting
    • Dynamic light source
    • Photochemical damage
    • Energy saving
    • Incandescent replacement

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